A rare geological event occurs every 300,000 years or so: the Earth’s magnetic poles flip. The magnetic poles are the two ...

Physicists Prof. Dr. Ingo Rehberg from the University of Bayreuth and Dr. Peter Blümler from Johannes Gutenberg University ...

Opinion: In this op-ed, retired Navy Capt. John Cordle shares why he chose to retire from his position as a federal worker ...